Lighting module heatsink



FIG. 1 is a perspective view of a lighting module heatsink in accordance with the present design;

FIG. 2 is a front view of the lighting module heatsink of FIG. 1, shown increased in scale for clarity;

FIG. 3 is a rear view of the lighting module heatsink of FIG. 1, shown increased in scale for clarity;

FIG. 4 is a left, side view of the lighting module heatsink of FIG. 1;

FIG. 5 is a right, side view of the lighting module heatsink of FIG. 1;

FIG. 6 is a top view of the lighting module heatsink of FIG. 1; and,

FIG. 7 is a bottom view of the lighting module heatsink of FIG. 1.

The broken lines provided in the drawings form no part of the claimed design. 

CLAIM The ornamental design for a lighting module heatsink, as shown and described. 